Analysis

  • max time kernel
    0s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 06:46

General

  • Target

    2024-01-08_ac0ecb4c3dfb500a0a707f6265c32395_cryptolocker.exe

  • Size

    44KB

  • MD5

    ac0ecb4c3dfb500a0a707f6265c32395

  • SHA1

    be6c26263852f1a59b3a44bc29ca271dd1943295

  • SHA256

    29e21f3bf3088e240ff0639ae2a52b5adcddea67d39baf4376b0b298e2464c3d

  • SHA512

    f745d27dffbf8d0510ce48ea906ac6f86728e7c9006545e732e98490126d031698fa5b6a7071281ec175df406e996b728f39d11066c6bfc77f49358162b02584

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55X:X6QFElP6n+gJQMOtEvwDpjB0GIWX

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-08_ac0ecb4c3dfb500a0a707f6265c32395_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-08_ac0ecb4c3dfb500a0a707f6265c32395_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2024

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\asih.exe

          Filesize

          19KB

          MD5

          8ee1dca59ec205da809b03cad56fa929

          SHA1

          22938f03d2b9ed3ebc72fc15c08b51ea6b12bb9a

          SHA256

          bf92890b533ee62a2c4527b04454d3e02967a303c814ba1e91630582e62e2b2f

          SHA512

          df16d3fcd118deeca8c24bc94b8ef5c89f8313a45b84841f810143b4a58a6208ff5b2fb1abd8f40908e18f712c2c5b79b2fd7bb5d9a33c992cf159c4ba87ed32

        • C:\Users\Admin\AppData\Local\Temp\asih.exe

          Filesize

          45KB

          MD5

          1e1b12db7b73e6ca7903b9e29fc6dd67

          SHA1

          74d6aa53e0b4ab8e521dcc55004050d3354e7544

          SHA256

          ef59386d2ca9425fc66dd3e5d3a548a2a8023aef92abbf665163becb0f94b6a3

          SHA512

          e8f9a6ba1a378a9154d1667f472a3b56be1de9f118096b0b9290d34d4675988e47f305fbd10cf953830dadd679aaf596836c363c53945a6020a383b3de8fd4b0

        • memory/2024-18-0x0000000000850000-0x0000000000856000-memory.dmp

          Filesize

          24KB

        • memory/2024-17-0x0000000000830000-0x0000000000836000-memory.dmp

          Filesize

          24KB

        • memory/4724-1-0x0000000000600000-0x0000000000606000-memory.dmp

          Filesize

          24KB

        • memory/4724-2-0x0000000000620000-0x0000000000626000-memory.dmp

          Filesize

          24KB

        • memory/4724-0-0x0000000000600000-0x0000000000606000-memory.dmp

          Filesize

          24KB